Can a vector be zeroif any of itscomponents is not zero?

1.	Can a vector be zeroif any of itscomponents is not zero?
Answer» <html><body><p></p>Solution :In <a href="https://interviewquestions.tuteehub.com/tag/terms-1242559" style="font-weight:bold;" target="_blank" title="Click to know more about TERMS">TERMS</a> of componentsin three dimestions,<br/> `vecA = hati A_(x) + hatj A_(y) + <a href="https://interviewquestions.tuteehub.com/tag/hatk-2693615" style="font-weight:bold;" target="_blank" title="Click to know more about HATK">HATK</a> A_(<a href="https://interviewquestions.tuteehub.com/tag/z-750254" style="font-weight:bold;" target="_blank" title="Click to know more about Z">Z</a>)`with `A = sqrt(A_(x)^(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)+ A_(y)^(2) + A_(z)^(2))` <br/> so if any of `A_(x),A_(y) and A_(z)`is not zero(or <a href="https://interviewquestions.tuteehub.com/tag/null-17167" style="font-weight:bold;" target="_blank" title="Click to know more about NULL">NULL</a>)all itscomponentsmustvanish.</body></html>

Discussion